add reboot instances

lib/fog/aws/ec2.rb

@@ -62,7 +62,7 @@ require "#{requests_directory}/disassociate_address"
 # TODO: require "#{requests_directory}/modify_image_attribute"
 # TODO: require "#{requests_directory}/monitor_instances"
 # TODO: require "#{requests_directory}/purchase_reserver_instances_offering"
-# TODO: require "#{requests_directory}/reboot_instances"
+require "#{requests_directory}/reboot_instances"
 # TODO: require "#{requests_directory}/register_image"
 require "#{requests_directory}/release_address"
 require "#{requests_directory}/revoke_security_group_ingress"

lib/fog/aws/requests/ec2/reboot_instances.rb

@@ -0,0 +1,24 @@
+module Fog
+  module AWS
+    class EC2
+
+      # Reboot specified instances
+      #
+      # ==== Parameters
+      # * instance_id<~Array> - Ids of instances to reboot
+      #
+      # ==== Returns
+      # # * response<~Fog::AWS::Response>:
+      #   * body<~Hash>:
+      #     * :request_id<~String> - Id of request
+      #     * :return<~Boolean> - success?
+      def reboot_instances(instance_id = [])
+        params = indexed_params('InstanceId', instance_id)
+        request({
+          'Action' => 'RebootInstances'
+        }.merge!(params), Fog::Parsers::AWS::EC2::Basic.new)
+      end
+
+    end
+  end
+end

spec/aws/ec2/reboot_instances_spec.rb

@@ -0,0 +1,19 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe 'EC2.reboot_instances' do
+
+  before(:all) do
+    @instance_id = ec2.run_instances('ami-5ee70037', 1, 1).body[:instances_set].first[:instance_id]
+  end
+
+  after(:all) do
+    ec2.terminate_instances([@instance_id])
+  end
+
+  it "should return proper attributes" do
+    actual = ec2.reboot_instances([@instance_id])
+    actual.body[:request_id].should be_a(String)
+    [false, true].should include(actual.body[:return])
+  end
+
+end